package com.yyds.oneservice.controller;

import com.aliyun.oss.OSS;
import com.aliyun.oss.common.utils.BinaryUtil;
import com.aliyun.oss.model.MatchMode;
import com.aliyun.oss.model.PolicyConditions;
import com.yyds.common.R;
import com.yyds.common.utils.OssUtil;
import com.yyds.oneservice.annotation.UnInterception;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.multipart.MultipartFile;

import javax.annotation.Resource;
import java.io.IOException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.Map;

/**
 * Created by Enzo Cotter on 2022/12/13.
 */
@RestController
@RequestMapping("/ossservice")
public class OssController {

    @Resource
    OSS ossClient;

    @Value("${alibaba.cloud.oss.endpoint}")
    private String endpoint;
    @Value("${alibaba.cloud.oss.bucket}")
    private String bucket;

    @Value("${alibaba.cloud.access-key}")
    private String accessId;

    @UnInterception
    @GetMapping("/policy")
    public R policy() {
        String host = "https://" + bucket + "." + endpoint; // host的格式为 bucketname.endpoint
        // callbackUrl为 上传回调服务器的URL，请将下面的IP和Port配置为您自己的真实信息。
//        String callbackUrl = "http://88.88.88.88:8888";
        String format = new SimpleDateFormat("yyyy-MM-dd").format(new Date());
        String dir = format + "/"; // 用户上传文件时指定的前缀。
        Map<String, String> respMap = null;
        try {
            long expireTime = 30;
            long expireEndTime = System.currentTimeMillis() + expireTime * 1000;
            Date expiration = new Date(expireEndTime);
            PolicyConditions policyConds = new PolicyConditions();
            policyConds.addConditionItem(PolicyConditions.COND_CONTENT_LENGTH_RANGE, 0, 1048576000);
            policyConds.addConditionItem(MatchMode.StartWith, PolicyConditions.COND_KEY, dir);
            String postPolicy = ossClient.generatePostPolicy(expiration, policyConds);
            byte[] binaryData = postPolicy.getBytes("utf-8");
            String encodedPolicy = BinaryUtil.toBase64String(binaryData);
            String postSignature = ossClient.calculatePostSignature(postPolicy);
            respMap = new LinkedHashMap<String, String>();
            respMap.put("accessid", accessId);
            respMap.put("policy", encodedPolicy);
            respMap.put("signature", postSignature);
            respMap.put("dir", dir);
            respMap.put("host", host);
            respMap.put("expire", String.valueOf(expireEndTime / 1000));
            // respMap.put("expire", formatISO8601Date(expiration));
            // 下面是 回调  和 以跨域的方式响应数据  咱们配置过跨域了 所以这里注释掉
         /*   JSONObject jasonCallback = new JSONObject();
            jasonCallback.put("callbackUrl", callbackUrl);
            jasonCallback.put("callbackBody",
                    "filename=${object}&size=${size}&mimeType=${mimeType}&height=${imageInfo.height}&width=${imageInfo.width}");
            jasonCallback.put("callbackBodyType", "application/x-www-form-urlencoded");
            String base64CallbackBody = BinaryUtil.toBase64String(jasonCallback.toString().getBytes());
            respMap.put("callback", base64CallbackBody);

            JSONObject ja1 = JSONObject.fromObject(respMap);
            // System.out.println(ja1.toString());
            response.setHeader("Access-Control-Allow-Origin", "*");
            response.setHeader("Access-Control-Allow-Methods", "GET, POST");
            response(request, response, ja1.toString());*/
        } catch (Exception e) {
            // Assert.fail(e.getMessage());
            System.out.println(e.getMessage());
        }
        return R.ok().code(20000).data("data",respMap);
    }
    @ApiOperation(value = "上传图片")
    @PostMapping("/load")
    @UnInterception
    public R load(@ApiParam(value = "file" ,required = true)MultipartFile file) throws IOException {
        String picUrl = OssUtil.uploadFile(file.getInputStream(), file.getOriginalFilename());
        return picUrl != null ? R.ok().data("picUrl",picUrl) : R.error().data("url","图片找不到了,请重新上传");
    }

}
